Side by side
Azure AI Speech vs VOICEVOX
Both stand on text-to-speech software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APISelf-hostedWeb
Visit Azure AI Speech Free plan APILinuxMac+2
VOICEVOX offers adjustable speech, prototype singing, offline operation, and several integration routes without a listed price. Users should check each character’s terms and expect limitations in the developing song feature.
Visit VOICEVOXThe facts
| Azure AI Speech | VOICEVOX | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Self-hosted, Web | API, Linux, Mac, Self-hosted, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 3 | 1 |
| Maker | Azure AI Speech | Not published |
| Website | azure.microsoft.com | voicevox.hiroshiba.jp |
| On text-to-speech software | #17 of 223 | #114 of 223 |
Azure AI Speech: what it does well
VOICEVOX: what it does well
- Free for commercial and non-commercial use
- Detailed controls for speech output
- WAV audio export
- Offline computer use supported
- Engine, API, Docker, and library integration
What to know first
- Character-specific usage rules apply
- Song feature remains a prototype
- Each note accepts one Japanese character
- macOS does not support GPU mode
Alternatives to Azure AI Speech Alternatives to VOICEVOX The whole list